Qingdao Huashida Machinery Co., Ltd.
| Place Of Origin | China |
| Packaging Details | Standard Pakage |
| Delivery Time | 60 Days |
| Payment Terms | T/T， L/C |
| Supply Ability | 30 Set/Year |
| Specification | Pipe Dia. 20-110mm |
| Computerized | Computerized |
| Trademark | HUASHIDA |
| Origin | Qingdao, China |
| Automation | Automatic |
| Model NO. | PERT-20/350MM |
| Screw No. | Single-screw |
| HS Code | 8477109000 |
| Brand Name | Huashida |
| Model Number | Hsd |
| Certification | CE, ISO |
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Product Specification
| Place Of Origin | China | Packaging Details | Standard Pakage |
| Delivery Time | 60 Days | Payment Terms | T/T， L/C |
| Supply Ability | 30 Set/Year | Specification | Pipe Dia. 20-110mm |
| Computerized | Computerized | Trademark | HUASHIDA |
| Origin | Qingdao, China | Automation | Automatic |
| Model NO. | PERT-20/350MM | Screw No. | Single-screw |
| HS Code | 8477109000 | Brand Name | Huashida |
| Model Number | Hsd | Certification | CE, ISO |
| High Light | Computerized Pre-Insulated Pipe Production Line ，Automatic PERT/PEX Pre-Insulated Pipe Machine ，Single-screw Continuous Pipe Production Line | ||
The PEXA/PERT prefabricated insulated plastic piping system represents an advanced and efficient solution designed for modern construction and industrial purposes. It integrates high-quality cross-linked polyethylene (PEX-a) or PE-RT II service pipes with durable polyurethane (PU) insulation to deliver superior performance.
This innovative piping system consists of three distinct layers, each serving a crucial function to ensure reliability and thermal efficiency. The innermost layer is the service pipe, which is made from either PEX-a or PE-RT II materials. These materials are chosen for their excellent flexibility, strength, and long-term durability.
Surrounding the service pipe is a layer of polyurethane foam insulation. This insulation helps to maintain temperature control, reduce heat loss, and improve energy efficiency in various applications.
Finally, the outermost layer is a protective casing made from high-density polyethylene (HDPE). This casing provides robust protection against external mechanical damage and environmental factors, ensuring the integrity of the piping system over time.
Unlike traditional pipe-in-pipe batch foaming techniques, where pipes are manufactured individually, Huashida has pioneered a next-generation continuous production system. This innovative solution integrates the co-extrusion of PU foam insulation and HDPE outer casing into one seamless, continuous process.
This advanced system achieves significantly enhanced performance, offering up to a 40% increase in production efficiency and a 30% reduction in energy consumption. The incorporation of sophisticated automation and precise process controls ensures consistently stable and high-quality products.
Completely compliant with the EN 253 standard, this groundbreaking technology delivers exceptional economic benefits, making it an ideal choice for modern district heating and cooling networks.
The following table presents the dimensions of work tubes and shell tubes along with the respective wall thicknesses. These measurements are critical in determining the compatibility and structural integrity of tube assemblies in various industrial applications.
The "work/shell tube diameter" column indicates the nominal diameters used in the system. The "work tube diameter" specifies the size of the internal tube, whereas the "shell tube diameter and wall thickness" column provides details on the external tube dimensions, including the thickness of the tube walls.
| Work / Shell Tube Diameter (mm) | Work Tube Diameter (mm) | Shell Tube Diameter and Wall Thickness (mm) |
|---|---|---|
| 20 / 78 | 20 | 78 x 2.0 |
| 25 / 78 | 25 | 78 x 2.0 |
| 32 / 78 | 32 | 78 x 2.0 |
| 40 / 93 | 40 | 93 x 2.2 |
| 50 / 113 | 50 | 113 x 2.4 |
| 63 / 128 | 63 | 128 x 2.7 |
| 75 / 143 | 75 | 143 x 3.0 |
| 90 / 163 | 90 | 163 x 3.2 |
| 110 / 163 | 110 | 163 x 3.2 |
These specifications ensure the correct fit and mechanical strength needed for the tube assemblies and are essential for engineers when selecting materials for heat exchangers or similar equipment.
This product is perfectly suited for heating and cooling pipeline systems, particularly in district heating and cooling networks that utilize pre-insulated pipes. Its design ensures efficient thermal management across extensive pipeline installations.
In industrial settings, these pipes are ideal for carrying hot water, chilled water, and various process fluids within factories, chemical processing facilities, and power generation plants. Their robustness and thermal properties make them reliable for demanding industrial applications.
For building infrastructure, the pipes are well-suited for both commercial and residential plumbing needs, supporting heating systems and water supply networks with consistent performance and durability.
Additionally, the thick-walled version of these pipes is engineered to endure challenging conditions in both underground and overhead installations. Their enhanced strength and long-term reliability make them an excellent choice for projects where durability is critical.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a... 1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
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